What you need
Amount:
How I make it
In a bowl, mix the butter, egg yolks and sugar.
Add the cheese, lemon zest, vanilla, berries and flour.
Whip the egg whites in a mixer, add them to the bowl and fold them into the mixture.
Pour into a baking pan and bake at 350°F (180°C) for 40 minutes.
Source: ChefEf (chefef.com)